Support of multi-layer transparency

Details Support of multi-layer transparency Support of multi-layer transparency

2005-04-12

2005-04-12

Luu, Matthew (Department: 2672)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S581000, C345S543000

Reexamination Certificate

active

06879328

ABSTRACT:
A system and method for generating graphics images from 3-dimensional graphics data representing one or more transparent objects and one or more opaque objects are disclosed. Memory locations for storing transparent samples may be provided by reducing the number of opaque samples per pixel as needed, and storing the transparent samples in the memory locations formerly used to store the discarded opaque samples. A plurality of opaque samples for a plurality of sample positions corresponding to a pixel may be initially stored in a sample memory. A transparent sample rendered for one of the plurality of sample positions may replace an opaque sample in another one of the sample positions of the plurality of sample positions. The transparent and opaque samples rendered for the same position may be blended and the blended samples may be filtered at least once per screen refresh cycle to generate output pixels.

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